G11B 7/0948
Specially adapted for detection and avoidance or compensation of imperfections on the
Official title: {specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts (G11B7/095 takes precedence)}
G11B7/0948 (Specially adapted for detection and avoidance or compensation of imperfections on the) appears on 452 US grants and 371 published applications in this corpus.
Search patents in G11B- Granted patents
- 452
- Published applications
- 371
- Assignees
- 131
- Inventors
- 777
- Latest grant
- 27 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 24 | 13 |
| 2002 | 13 | 52 |
| 2003 | 12 | 37 |
| 2004 | 30 | 36 |
| 2005 | 23 | 38 |
| 2006 | 37 | 37 |
| 2007 | 36 | 44 |
| 2008 | 21 | 32 |
| 2009 | 24 | 24 |
| 2010 | 19 | 18 |
| 2011 | 29 | 9 |
| 2012 | 19 | 9 |
| 2013 | 9 | 5 |
| 2014 | 8 | 6 |
| 2015 | 6 | 5 |
| 2016 | 6 | 4 |
| 2017 | 3 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical disc apparatus27 Aug 2019US 10,395,689 B2Panasonic Intellectual Property Management Co., Ltd.
- Inspection method for optical disc1 May 2018US 9,959,901 B1Panasonic Intellectual Property Management Co., Ltd.
- Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection7 Nov 2017US 9,812,161 B2Seagate Technology LLC
- Optical disc apparatus and control method thereof7 Feb 2017US 9,564,167 B2Samsung Electronics Co., Ltd.
- Systems and methods for multi-track media defect detection17 Jan 2017US 9,548,081 B2Avago Technologies General IP (Singapore) Pte. Ltd.
- Optical disc apparatus6 Sep 2018US 2018/0254062 A1Panasonic Intellectual Property Management Co., Ltd.
- Inspection method for optical disc12 Apr 2018US 2018/0102139 A1Panasonic Intellectual Property Management Co., Ltd.
- Resistive temperature sensors for improved asperity, head-media spacing, and/or head-media contact detection22 Dec 2016US 2016/0372144 A1Seagate Technology LLC
- Optical disc apparatus and control method thereof29 Sep 2016US 2016/0284376 A1Samsung Electronics Co., Ltd.
- Systems and Methods for Multi-Track Media Defect Detection21 Jul 2016US 2016/0210996 A1Avago Technologies General IP (Singapore) Pte. Ltd.
Most cited
By later US patents
- Control system for compact disc phonograph195US 6,212,138 B1Rowe International, Inc. · 2001
- Recording and/or reproducing apparatus and method of controlling same170US 5,532,991 ASony Corporation · 1996
- Disk recording method and apparatus for indentifying and skipping defective clusters104US 5,553,045 ASony Corporation · 1996
- Recording and/or reproducing apparatus and method of controlling same89US 5,491,677 ASony Corporation · 1996
- Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset87US 4,748,609 AHitachi, Ltd. · 1988